#!/usr/bin/env python3
"""
    Command-line interaction with Qtile TextBox widgets.
"""
import os, sys
from argparse import ArgumentParser
from libqtile import command

def main():
    parser = ArgumentParser()
    parser.add_argument('--version', action='version', version='%(prog)s 0.2')
    parser.add_argument(
        "-l", "--list",
        action="store_true",
        help="List addressable widgets"
    )
    parser.add_argument(
        "-s", "--socket",
        type=str,
        default=None,
        help='Use specified communication socket'
    )
    # in order for the -l option to work, we can't require these args, so we
    # check for them later
    parser.add_argument(
        "name",
        type=str,
        required=False,
        help='Name of widget to change'
    )
    parser.add_argument(
        "text",
        type=str,
        required=False,
        help='Text to to place in widget'
    )

    args = parser.parse_args()

    client = command.Client(args.socket)

    if args.list:
        for i in client.list_widgets():
            print(i)
    else:
        if args.name is None or args.text is None:
            parser.error("Please specify widget name and argument.")
        try:
            client.widget.__getitem__(args.name).update(args.text)
        except command.CommandError as v:
            print(v, file=sys.stderr)
            sys.exit(1)


if __name__ == "__main__":
    main()
